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(Supersedes PK425-1)
PK425-2
ARR
161-562792-001
JANUARY, 1988
4
and
Installation, Operation
RENEWAL PARTS IDENTIFICATION
Type ARR Inverse-Action Thermostat
© 2010 Chromalox, Inc.
Specifications – Table A
Sensing Bulb
with 7’
Standard Capillary
Temperature Approx. Max.
Range Length A.C. Rating
Model (°F) Style Dia.(In.) (In.) (Amps)
ARR-215 60-250 5
3
/8 4
1
/4
ARR-219 60-250 9
3
/16 16
9
/32
ARR-515 200-550 5
3
/8 3
1
/4
ARR-519 200-550 9
3
/16 11
1
/4
Models installed in a moisture-resistant enclosure are designated by the suffix “LT” on the
model number.
Length
(Refer to
Specifications Table A)
Bulb
Dia.
2 / "
11
16
2 / " Ref.
3
8
2 / "
7
8
Type ARR
Type ARR-LT
Moisture Resistant Model
Figure 1
30 Amp
120-277 Vac
(1 Pole Res.)
18
FLA-72LRA
250 Vac
125 Vac
120-277 Vac
(Pilot Duty)
2
1
/4”
3
3
/8”
5
7
/8”
3
/4” NPT Conduit Holes
4
7
/16”
5
1
/16”
7
1
/16”
7
/8”
7
/8”
C
L